Functions & Defined Operations
A function or defined operation is a rule that transforms inputs; unfamiliar notation becomes manageable once the rule is followed consistently.
What you'll learn
- Interpret a function as an input-output rule rather than multiplication.
- Use a stated definition to evaluate a custom operation with ordered inputs.
- Evaluate nested functions and operations from the inside outward.
- Represent a function with a rule, table, or mapping while preserving one output per input.
- Turn a known function output into an equation and solve for the input.
Before you start
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